WO2014143485A1 - Déploiement d'un ancrage pour dispositifs médicaux implantables - Google Patents

Déploiement d'un ancrage pour dispositifs médicaux implantables Download PDF

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Publication number
WO2014143485A1
WO2014143485A1 PCT/US2014/016239 US2014016239W WO2014143485A1 WO 2014143485 A1 WO2014143485 A1 WO 2014143485A1 US 2014016239 W US2014016239 W US 2014016239W WO 2014143485 A1 WO2014143485 A1 WO 2014143485A1
Authority
WO
WIPO (PCT)
Prior art keywords
base member
tool
handle
handle member
gripping portion
Prior art date
Application number
PCT/US2014/016239
Other languages
English (en)
Inventor
Michael Kern
Bruce A. Behymer
Jr. William V. FERRIS
Thomas C. Bischoff
Original Assignee
Medtronic, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medtronic, Inc. filed Critical Medtronic, Inc.
Priority to EP14707063.5A priority Critical patent/EP2968849B1/fr
Publication of WO2014143485A1 publication Critical patent/WO2014143485A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0551—Spinal or peripheral nerve electrodes
    • A61N1/0558—Anchoring or fixation means therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • A61N1/057—Anchoring means; Means for fixing the head inside the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/028—Holding devices, e.g. on the body having a mainly rigid support structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0286—Holding devices, e.g. on the body anchored in the skin by suture or other skin penetrating devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]

Definitions

  • the present disclosure is related to implantable medical devices, and more particularly to anchor deployment apparatus and methods.
  • FIG. 1A is a schematic depicting a surgical incision site 12 through which an exemplary elongate medical device 1 10 has been implanted.
  • Figure 1A illustrates a length of device 1 10 extending proximally out from site 12 and an anchor sleeve 10 surrounding a body of device 110, for example, with a relatively tight, interference fit, to facilitate anchoring of device 110 to subcutaneous fascia 14, for example, via sutures tied thereabout and sewn into the fascia 14.
  • Anchor sleeve 10 may be any of a variety of types known in the art such as types 10A, 10B and IOC shown in Figure IB.
  • an anchor deployment tool may be employed in order to properly position such a snug fitting anchor sleeve 10 around the body of implanted device 1 10. Examples of such a tool are described in a co-pending and commonly assigned United States Patent Application having the pre-grant publication no. 201 1/0040257, and the serial no. 12/896, 147.
  • Deployment tools and kits for forming deployment tools are useful for deploying an anchor sleeve onto a body of an implantable medical device, and include various combinations of features described in detail herein, in conjunction with exemplary embodiments.
  • a tool for deploying an anchor sleeve includes a handle member and an elongate base member, wherein, when a gripping portion of the handle member, which defines a longitudinal axis of the tool, is fitted around the base member, a channel of the base member receives a tubular member of the handle member in sliding engagement.
  • the tubular member of the handle member extends distally from a junction with the gripping portion and has an outer surface, which is sized for mounting the anchor sleeve thereon, and has an inner surface, which defines a longitudinally extending lumen that is sized to receive a proximal length of the implantable device therein, so that the proximal length of the device may extend into the channel of the base member when gripping portion of the handle member is fitted around the base member.
  • the channel of the base member extends proximally from a deployment tip of the base member, which deployment tip is configured to engage an end of the mounted anchor sleeve, when the gripping portion of the handle member is fitted around the base member.
  • the base member includes a rail segment about which the opposing arms of the gripping portion of the handle member extend, when the gripping portion is fitted around the base member; and recessed sidewalls of the rail segment extend distally from shoulders of a proximal portion of the base member, wherein the shoulders are useful to form a stop for the sliding engagement of the handle member along the rail segment of the base member.
  • the tubular member of the handle member in some tool embodiments, may have a distal end portion that is laterally offset from the gripping portion, so the deployment tip of the base member, according to these embodiments, is similarly laterally offset from the longitudinal axis of the tool.
  • the laterally offset deployment tip of the base member may terminate a flexible distal segment of the base member.
  • a tool kit for forming a tool, according to any of the described embodiments, may include a plurality of handle members, for example, each having a different type of anchoring sleeve mounted thereon, from which to choose for assembling together with a base member from the kit.
  • a tool kit may further include another handle member, which has a laterally offset tubular member, and a corresponding converter, which is configured for attachment to a distal segment of the base member of the kit. The converter, when attached to the base member, provides an auxiliary channel to receive the offset tubular member of the other handle member.
  • Figure 1A is a schematic depicting a surgical incision site through which an exemplary elongate medical device has been implanted;
  • Figure IB is a perspective view of a variety of types of exemplary anchor sleeves
  • Figure 1C is a perspective view of an exemplary anchor deployment tool positioned around a proximal length of the exemplary medical device, according to some embodiments;
  • Figure 2 is a perspective view of members of an exemplary kit, according to some embodiments.
  • Figure 3 A is a perspective view of an anchor sleeve positioned relative to a handle member of the exemplary deployment tool, for assembly thereon, according to some embodiments;
  • Figure 3B is a perspective view of the handle member positioned for fitting together with a base member to form the exemplary deployment tool, according to some embodiments and methods;
  • Figures 4A-B are perspective views of the exemplary deployment tool, according to some embodiments.
  • Figure 5A is a perspective view of an exemplary deployment tool, according to some alternate embodiments.
  • Figure 5B is an exploded perspective view of the exemplary tool of Figure 5A;
  • Figure 5C is a perspective view of an exemplary converter for a kit, according to some embodiments.
  • Figure 6A is a perspective view of an exemplary deployment tool, according to some additional embodiments.
  • Figure 6B is an exploded perspective view of the exemplary tool of Figure 6A;
  • Figure 6C is a perspective view of members of an exemplary kit, according to some alternate embodiments
  • Figure 6D is an exploded perspective view of portions of an exemplary adjustable tool, according to some alternate embodiments
  • Figure 6E is a perspective view of an exemplary converter, according to some alternate embodiments.
  • Figure 7 is a perspective view, including a cut-away cross-section, of an exemplary deployment tool, according to yet further embodiments.
  • Figure 8 is a perspective view of an exemplary deployment tool, according to another alternate embodiment.
  • Figure 1C is a perspective view of an exemplary anchor deployment tool 100 positioned around a proximal length of medical device 1 10, according to some embodiments.
  • Figure 1C illustrates tool 100 including a base member 200 and a handle member 210B, which is held in sliding engagement with base member 200, for example, by a gripping portion 213 thereof; handle member 210B is shown including an elongate tubular member 21 1 on which anchor sleeve 10B is mounted.
  • a longitudinal axis 15 of tool 100 may be defined by a rail segment 230 of base member 200 and/or by gripping portion 213 of handle member 210B.
  • Figure 1C further illustrates base member 200 including a deployment tip 201, which is located in close proximity to anchor sleeve 10B.
  • FIG. 4A is a different perspective view of tool 100
  • an inner surface of tubular member 211 defines a lumen 30, which extends from an opening at a distal end 31 of member 21 1 to an opening at a proximal end 32 of member 21 1, and which is sized to receive, in sliding engagement, the proximal length of implanted device 110, as shown in Figure 1C.
  • Figure 4A further illustrates a channel 205 of base member 200, which also receives the proximal length of device 110, as shown in Figure 1C.
  • Figure 2 is a perspective view of members of the exemplary deployment tool 100, which may be included in an exemplary kit 275, according to some embodiments.
  • Kit 275 is shown including base member 200 and, separated therefrom, at least two types of handle member 210, wherein the two types, 21 OA and 210B, differ from one another only in that handle member 21 OA has anchor sleeve 10A mounted thereon and handle member 210B has anchor sleeve 10B mounted thereon.
  • Figure 2 illustrates tubular member 21 1 of each handle member 21 OA, 210B extending distally from gripping portion 213 of the corresponding handle member 210A, 210B.
  • Figure 2 further illustrates base member 200 including a distal segment 220, a proximal segment 240, and rail segment 230, which has recessed opposing sidewalls 3, 4, and which extends between distal segment 220 and shoulders 340 of proximal segment 240; channel 205, which is formed in a first side 1 of base member 200, extends proximally from an opening at deployment tip 201, through distal segment 220, and through rail segment 230, and into proximal segment 240.
  • rail segment 230 and channel 205 of base member 200 are configured to receive gripping portion 213 of either handle member 210A, or handle member 210B in sliding engagement, as will be described in greater detail below.
  • kit 275 provides an operator a choice of at least two types of pre-mounted anchor sleeves, which choice may be a matter of functional requirements for a particular implant location and/or personal preference, and which saves the operator the trouble of mounting the selected anchor sleeve onto handle member 210. It should be noted that alternate kit embodiments include additional similar handle members on which other types of sleeves are mounted, and/or different types of handle members with pre- mounted anchor sleeves, and/or other elements, which will described below, in conjunction with Figures 5A-6C.
  • Figure 3 A is a perspective view of anchor sleeve 10B positioned relative to handle member 210, for assembly thereon.
  • sleeve 10B is formed from an elastic material, for example, medical grade silicone rubber, and has a relaxed inner diameter that is smaller than an outer diameter of device 1 10.
  • the inner surface of tubular member 21 1 defines a lumen which receives a proximal length of device 110, so a diameter of the outer surface of tubular member 211 is such that sleeve 10 is stretched, or expanded, when mounted on tubular member 211.
  • tubular member 21 1 may be formed with a taper, and/or a tapered lead-in tip (not shown) may be temporarily coupled to distal end 31 to facilitate the assembly of sleeve 1 OB onto member 21 1.
  • tubular member 21 1 is a stainless steel hypo-tube with a lubricious coating forming the outer surface thereof, for example, a fluoropolymer coating (PTFE or ETFE), which can facilitate the assembly of sleeve 10B onto member 21 1, as well as the movement of sleeve 10B off of member 21 1 and onto device 110, by engagement of deployment tip 201 of tool 100, as described above, in conjunction with Figure 1C.
  • PTFE fluoropolymer coating
  • handle member 210B is packaged along with other handle members, such as handle member 210A, and base member 200, to form a kit, such as exemplary kit 275 ( Figure 2), which is ultimately delivered to an operator who is implanting an elongate medical device, such as device 110.
  • kit 275 Figure 2
  • the operator may select and remove from kit 275 one of handle members 210A, 210B and base member 200 to form a deployment tool, after implanting the device.
  • the operator selects handle member 210B and positions handle member 210B relative to base member 200, as shown, to fit the two members together and, thereby, form tool 100.
  • Figure 3B shows base member 200 including an optional exemplary alignment mark, for example, a marked portion 33, located in proximity to distal segment 220, and shows base member 200 located with respect to handle member 210B, so that optional marked portion 33 is approximately aligned with gripping portion 213 of handle member 210B.
  • Optional marked portion 33 may be formed by an arrow mark 303 and/or a strip, or length, of colorant that contrasts with a color of the remainder of rail segment 230; arrow mark 303 may facilitate a proper orientation of channel 205 toward handle member 210B.
  • Handle member 210B may also include arrow mark 303 formed on gripping portion 213, as shown, which further facilitates alignment and the proper orientation of handle member 10B for fitting together with base member 200.
  • handle member 210B After properly aligning and orienting handle member 210B and base member 200, the operator engages marked portion 33 of base member 200 with gripping portion 213 of handle member 210B, for example, by positioning a rearward alignment portion 215 of handle member 21 OB around rail segment 230, and then pressing gripping portion 213 and marked portion 33 of rail segment 230 together in the direction indicated by arrow marks 303.
  • gripping portion 213 includes opposing arms 203 that flex outward and then snap into place around rail segment 230, as rail segment 230 is inserted therebetween, so that arms 203 hold handle member 210B in sliding engagement with rail segment 230 of base member 200.
  • a junction between tubular member 21 1 and gripping portion 213 is formed by a press fit of a proximal length of tubular member 211 within a bore hole that is formed through an inner ridge 231 of gripping portion 213, wherein inner ridge 231 extends between opposing arms 203 and is configured to fit in sliding engagement within channel 205 of base member 200, when arms 203 are fitted around rail segment 230.
  • the junction between tubular member 21 1 and gripping portion 213 is further formed by flaring proximal end 32 of tubular member 211, so that the flared end abuts a surface of ridge 231 that extends around an opening of the bore hole.
  • base member 200 and handle member 210 are each formed, for example, by injection molding, from a suitable hard plastic material, for example, polycarbonate; and a stainless steel hypo-tube that forms tubular member 211 may be press fit into inner ridge 231 following molding, or handle member 210 may be insert molded around tubular member 21 1.
  • the operator may insert the proximal length of the implanted elongate device, for example, device 1 10, through lumen 30 of tubular member 21 1 prior to fitting handle member 210B together with base member 200; alternately, members 210B, 200 may be fitted together and then the proximal length of the implanted device inserted through lumen 30.
  • sleeve 10B may be deployed (e.g., moved off of tubular member 211 of handle member 210), as described above in conjunction with Figure 1C.
  • the operator may push base member 200, with respect to handle member 210, per arrow P, by placing a fingers of his hand against an abutment surface 41 of each laterally extending tab element 214 of handle member 210, and placing a thumb of the hand against another abutment surface 44 of base member 200, which is formed at a proximal terminal end 440 thereof.
  • optional marked portion 33 of rail segment 230 extends along a second side 2 of base member 200, and has a length which is approximately equal to that of anchor sleeve 10B, so that, according to some methods, the operator may monitor the movement of marked portion 33 relative to gripping portion 213 of handle member 210, while pushing base member 200, to determine when sleeve 10B has been completely moved off tubular member 21 1. For example, when the operator sees that a proximal end 332 of the length of marked portion 33 has moved distal to gripping portion 213, he may use this as an indication that sleeve 10B is deployed around device 1 10.
  • Figure 4B further illustrates second side 2 of base member 200 including holes 421 formed therethrough, wherein holes 421 are located along rail segment 230 in proximity to distal segment 220.
  • tool 100 is assembled for packaging (rather than being disassembled in kit form), with arms 203 of handle member 210 fitted around base member 200 in the above-described aligned engagement (with proximal end 102 of mounted anchor sleeve 10B located for engagement with deployment tip 201, as shown in Figure 1C), holes 421 will allow sterilization gases to flow into that portion of channel 205 where ridge 231 of handle member 210 is received.
  • channel 205 extends into proximal portion 240 of base member 200 and is terminated by a ramped portion 45, for example, to provide a smooth exit transition for the proximal length of device 110 that is received in channel 205 while sleeve 10B is being deployed thereon.
  • Figures 3B and 4A-B further illustrate shoulders 340 of proximal segment 240 of base member 200 being located proximal to ramped portion 45 of channel 205 to stop the sliding engagement of handle member 210 with base member 200, along rail segment 230, so as to prevent inadvertent pinching of device 1 10 in channel 205, when deploying anchor sleeve 10B via pushing base member 200, per arrow P.
  • Figure 5A is a perspective view of an exemplary deployment tool 500, according to some alternate embodiments; and Figure 5B is an exploded perspective view of tool 500.
  • Figures 5A-B illustrate tool 500 including a base member 500-B and a handle member 500-H, wherein handle member 500-H includes a gripping portion 513 and an elongate tubular member 51 1, which is laterally offset from gripping portion 513, and which extends distally from a junction in an outward protruding ridge 531 of gripping portion 513; an inner surface of tubular member 51 1 defines a lumen that extends from an opening at a distal end 51 of member 511 to an opening at a proximal end 52 of member 51 1 to accommodate insertion of a proximal length of an implanted elongate device, such as device 110 ( Figure 1A).
  • Figure 5B further illustrates base member 500-B including a distal segment 520, through which a channel 505-D extends to receive tubular member 51 1 of handle portion 500-H in sliding engagement therewith, and a rail segment 530, about which opposing arms 503 of gripping portion 513 of handle member 500-H are fitted for sliding engagement therewith.
  • rail segment 530 of base member 500-B, or gripping segment 513 of handle member 500-H may define a longitudinal axis 5 of tool 500, and distal segment 520 is shown including a leg member 527 that offsets segment 520 from axis 5 by a distance O, so that the laterally offset tubular member 511 of handle member 500-H may be received within channel 505-D, when gripping portion 513 is fitted together with rail segment 530.
  • Figures 5A-B illustrate rail segment 530 including a channel 505-R, which receives an inward protruding ridge 56 of gripping segment 513 of handle member 500-H, for example, to stabilize the engagement between base member 500-B and handle member 500-H, ridge 56 and channel 505-R might be excluded from alternate embodiments.
  • a distal end portion 55 of tubular member 51 1 extends distally, from a deployment tip 501 of base member 500-B, and over a length sufficient to accommodate mounting of an anchor sleeve around an outer surface thereof, for example, sleeve 10B shown in Figure 5B.
  • lateral offset of distal end portion 55 from gripping portion 513 of handle member 500-H provides clearance between an insertion site of an implanted device, for example, device 110, and those portions of tool 500 that are engaged by an operator between fingers and thumb, namely laterally extending tab elements 514 of handle member 500-H, and proximal terminal end 542 of base member 500-B, to push base member 500-B, per arrows P and D, relative to handle member 500-H, and, thereby, deploy the mounted anchor sleeve.
  • a length of distal segment 520 may be approximately four inches or more, to accommodate an anchor site that is located deeper within the fascia than that illustrated in Figure 1A, or to accommodate an anchor site that is located below the fascia.
  • handle member 500-H may be included in a kit, such as exemplary kit 275 ( Figure 2), with an anchoring sleeve mounted thereon, as shown in Figure 5B, wherein the kit further includes a converter, for example, a converter 50, which is shown in Figure 5C.
  • kit 275 Figure 2
  • converter 50 for example, a converter 50
  • Figure 5C illustrates the exemplary converter 50 including a pin member 521, which extends from leg member 527, for coupling converter 50 to base member 200 (Figure 2), for example, via a press fit within the portion of channel 205 that extends along distal segment 220, so that base member 200 may converted into a configuration, that is similar to base- member 500-B of Figure 5B, to accommodate laterally offset tubular member 51 1 of handle member 500-H, when engaged therewith.
  • Figure 5C further illustrates converter 50 including an auxiliary open channel 515 formed in an auxiliary distal segment 525 to receive a segment 535 of tubular member 51 1 (Figure 5B) during the fitting together of handle member 500-H and the converted base member 200, for example, generally according to steps described above in conjunction with Figure 3B.
  • handle member 500-H may further include the above-described arrow mark 303 on one on both of opposing arms 503 of gripping portion 513, similar to handle members 210A, 210B, to facilitate alignment and proper orientation of handle member 500-H for fitting together with base member 200, in a manner similar to that described above, in conjunction with Figure 3B.
  • Figure 6A is a perspective view of an exemplary deployment tool 600, according to some additional embodiments; and Figure 6B is an exploded perspective view of tool 600.
  • Tool 600 like tool 500 ( Figures 5A-B), provides the above-described clearance for the operator during anchor sleeve deployment, since a handle member 600-H thereof includes tubular member 511 laterally offset from a gripping portion 613 thereof, and a base member 600-B thereof includes distal segment 520, with channel 505-D extending therethrough, which is offset, by distance O, from a longitudinal axis 6 of tool 600 by a leg member 627, to accommodate the offset of tubular member 51 1.
  • Tool 600 differs from tool 500 in that a proximal end 642 of base member 600-B has a heel element 644 extending therefrom, and only one of laterally extending tab elements 514 is included in handle member 600-H, for use in conjunction with heel element 644, wherein the operator may engage the single tab element 514 with one or more fingers while abutting a heel of his hand against a proximal surface 604 of heel element 644 to push base member 600-B relative to handle member 600-H for the deployment of mounted anchor sleeve 10B (shown in Figure 6B) from distal end portion 55 of tubular member 51 1.
  • tool 600 also differs from tool 500 in that an outward protruding ridge 631 of gripping portion 613, which forms the junction with tubular member 511, and leg member 627 of base member 600-B extend in generally the same plane as laterally extending tab element 514; and opposing arms 603 of gripping portion 613, which extend around rail segment 630 of base member 600-B to hold handle member 600-H in sliding engagement with rail segment 630 of base member 600-B, extend in a direction approximately orthogonal to the extent of ridge 613.
  • an outward protruding ridge 631 of gripping portion 613 which forms the junction with tubular member 511, and leg member 627 of base member 600-B extend in generally the same plane as laterally extending tab element 514; and opposing arms 603 of gripping portion 613, which extend around rail segment 630 of base member 600-B to hold handle member 600-H in sliding engagement with rail segment 630 of base member 600-B, extend in a direction approximately orthogonal to the extent of ridge 613
  • Figure 6C is a perspective view of members of an exemplary kit 675, according to some alternate embodiments.
  • Figure 6C illustrates the members of kit 675 including handle members 21 OA, 210B, base member 200, converter 50, and a handle member 600-H2 with mounted anchor sleeve 10B, which is similar to handle- member 600-H, but includes two laterally extending tab elements 514.
  • converter 50 may be coupled to base member 200, via the press fit of pin member 521 within channel 205 along distal segment 220, to form a converted base member, which is similar to base member 600-B of Figure 6B, but without heel element 644.
  • handle member 600-H2 may include the above- described arrow mark 303 on one on both of opposing arms 603 of gripping portion 613, similar to handle members 210A, 210B, to facilitate alignment and proper orientation of handle member 600-H2 for fitting together with base member 200, in a manner similar to that described above, in conjunction with Figure 3B.
  • arms 603 flex outward and then snap into place around rail segment 230 of base member 200, as rail segment 230 is inserted therebetween.
  • Figure 6D is an exploded perspective view of portions of an exemplary adjustable tool, according to some alternate embodiments.
  • Figure 6D illustrates a portion of an adjustable base member 900-B alongside a portion of an adjustable handle member 900-H, which, when fitted together with base member 900-B, forms a tool similar to tool 600, described in conjunction with Figures 6A-B.
  • Handle member 900-H like handle member 600-H, includes gripping portion 613 and tab element 514, but a height H of an outward protruding ridge 931 of handle member 900-H, which joins tubular member 51 1 to gripping portion 613, is adjustable to vary a lateral offset of tubular member 511 from gripping portion 613.
  • a leg member 927 of base member 900-B is adjustable to vary distance O of the lateral offset of distal segment 520 ( Figure 6A) from rail segment 630 so that the offset corresponds to the adjusted height H of ridge 931 to accommodate tubular member 51 1 in a channel 915 (may be open, as shown, or closed like channel 505-D) of distal segment 520, when handle member 900-H and base member 900-B are fitted together in sliding engagement.
  • ridge 931 and leg member 927 are each adjustable, for example, per arrows A, by means of a telescoping configuration, and each may include detent features 92 to secure ridge 931 to leg member 927 at at least two different offsets.
  • handle member 600-H2 may be configured to include adjustable outward protruding ridge 931, wherein, according to an alternate embodiment of kit 675, converter 50 may be configured with adjustable leg member 927.
  • kit 675 may include a plurality of converters having leg members 527 of different lengths, to correspond to the various adjustments of handle member 600-H2 that is configured with adjustable ridge 931.
  • another type of adjustable converter 90 may be included in kit 675, in lieu of converter 50.
  • Figure 6E illustrates the exemplary converter 90 including a pair of pin members 921 extending from leg member 527, wherein one of pin members 921 is selected to couple converter 90 to base member 200 according to selected offset (e.g. height H) of the adjustable handle member.
  • Figure 7 is a perspective view of an exemplary deployment tool 700, according to yet further embodiments.
  • Figure 7 illustrates tool 700 including a base member 700-B and a handle member 700-H, which is held in sliding engagement with base member 700-B, and which includes an elongate tubular member 711 on which anchor sleeve 10B is mounted.
  • Base member 700-B is similar to base member 200, described above, in that base member 700-B includes rail segment 230 and proximal segment 240; and handle member 700-H is similar to handle member 210, described above, in that handle member 700-H includes gripping segment 213 whose opposing arms 203 are fitted around rail segment 230 to hold handle member 700-H in sliding engagement with base member 700-B.
  • a tubular member 71 1 of handle member 700-H includes a curved segment that extends between gripping segment 213 and a distal end portion of tubular member 71 1, to orient the distal end portion, about which anchor sleeve 10 is mounted, at an angle with respect to a longitudinal axis 7 of tool 700.
  • tubular member 711 includes a lumen to receive a proximal length of an implanted elongate device, for example, like device 1 10 shown in Figure 1A and in a manner similar to that shown in Figure 1C.
  • Figure 7 further illustrates a distal portion 720 of base member 700-B having a flexible wall 712, which is shown by a cut-away cross-section, to bend around the curved segment of tubular member 711, so that, when base member 700-B is pushed relative to handle 700-H, per arrow P, a deployment tip 701 of base member 700-B engages anchor sleeve 10 to move sleeve 10 off tubular member 71 1, per arrow M, and onto the implanted device.
  • tool 700 is useful for deploying anchor sleeve 10 subcutaneously at an orientation approaching approximately parallel to a skin surface in which incision 12 ( Figure 1A) is made.
  • Tubular member 71 like tubular member 21 1, preferably includes a lubricious coating that forms an outer surface thereof, to interface with the mounted anchor sleeve.
  • Flexible wall 712 of base member distal segment 720 may be formed by a metal coil or braid embedded in a polymer material, according to methods known in the art.
  • Figure 8 is a perspective view of an exemplary deployment tool 800, according to another alternate embodiment, wherein a base member 800-B and a handle member 800-H of tool 800 are slidably and pivotably engaged with one another.
  • Figure 8 illustrates base member 800-B including a longitudinal segment 820, which is sliding engagement around a longitudinal portion 802 of handle member 800-H, and which is terminated at a distal end thereof by a deployment tip 801.
  • Figure 8 further illustrates handle segment 800-H including a tubular member 81 1, which extends distally from longitudinal portion 802, and an abutment member 814, which extends proximally and laterally from longitudinal portion 802, and to which a trigger portion 840 of base member 800-B is pivotably coupled at a junction 813.
  • tubular member 811 of handle member 800-H has an outer surface sized for the mounting of anchor sleeve 10 thereon, as shown, and deployment tip 801 of base member 800-B is configured to engage with an end of the mounted anchor sleeve 10 and to move anchor sleeve 10 off from tubular member 811 and onto a proximal portion of device 1 10, which has been inserted through a lumen of tubular member 811 to extend out an opening in longitudinal portion 802 of handle member 800-H.
  • longitudinal segment 820 of base member 800-B is pushed relative to handle portion 800-H, per arrow D, to deploy anchor sleeve 10, by pulling trigger portion 840 of base member 800-B, per arrow P, proximally toward abutment member 814 of handle member 800-H.
  • Dashed lines in Figure 8 depict that part of trigger portion 840 that joins with longitudinal segment 820 within a sidewall of handle portion 800-H.

Abstract

L'invention concerne un outil (200) permettant de déployer un manchon à ancrage (10B) sur un dispositif implantable (110), ledit outil comprenant un manche (210B) et une base (200) qui peuvent être assemblés l'un avec l'autre par un opérateur. L'opérateur peut sélectionner l'un des différents manches proposés dans un kit; la base, également incluse dans le kit, comporte un segment-rail (230) dans lequel une portion de préhension (213) du manche sélectionné peut s'introduire, par exemple par guidage grâce à une marque présente dans la base. Une fois l'assemblage effectué, une pointe de déploiement (201) de la base déplace le manchon à ancrage monté et le fait passer de l'élément tubulaire (211) du manche au corps du dispositif.
PCT/US2014/016239 2013-03-11 2014-02-13 Déploiement d'un ancrage pour dispositifs médicaux implantables WO2014143485A1 (fr)

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US201361776200P 2013-03-11 2013-03-11
US61/776,200 2013-03-11

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EP2967537B1 (fr) 2013-03-11 2019-04-03 Medtronic Inc. Appareil facilitant le repositionnement de dispositifs médicaux implantés
US20170072168A1 (en) * 2014-03-05 2017-03-16 3M Innovative Properties Company Graphic for medical article securement systems and methods of using same
US11524143B2 (en) * 2019-07-15 2022-12-13 Medtronic, Inc. Catheter with distal and proximal fixation members
US11813468B2 (en) * 2021-07-16 2023-11-14 Medtronic, Inc. Connector conditioning/bore plug

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US20080275401A1 (en) * 2007-05-01 2008-11-06 Sage Shahn S Catheter anchor and system/method regarding same
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US9138574B2 (en) 2013-06-26 2015-09-22 Medtronic, Inc. Anchor deployment for implantable medical devices

Also Published As

Publication number Publication date
EP2968849A1 (fr) 2016-01-20
US20180193008A1 (en) 2018-07-12
US9566049B2 (en) 2017-02-14
US10143451B2 (en) 2018-12-04
US20170112479A1 (en) 2017-04-27
US20140257318A1 (en) 2014-09-11
US9943294B2 (en) 2018-04-17
EP2968849B1 (fr) 2020-01-08

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